AMERICAN 
JOURNAL OF SCIENCE AND ARTS. 
[SECOND SERIES.] 
Arr. XTII.— On the Appalachian Mountain System ; by ARNOLD 
wa Professor in the College of New Jersey, ‘Princeton. 
1t 
time ag, ne in the forth: pes have ney howe pr 
ae be exact when compared with the measurements which 
° Made with greater care and under more favorab 
But we must not ae the rarity ant 
nountain measurem: wholly to a 
vt alt te a coral propondefince a “the 
It is du , in 
